• 253-858-7472

Lally DADU

Seattle, WA

Participant information

Premier Building Systems
Laurie Miller
18504 Canyon Road East
Puyallup, WA 98375
Phone: 253-846-6033
Email Address: laurie.miller@premiersips.com
Website: www.premiersips.com

Single Family 'Small House' under 900 sq. ft.

High Performance: Yes

Project information
Lally DADU
Seattle, WA 98116

Date Completed: December 2020

Dimensions of building (all floors of multi-story building): 28’ x 28’

Total sq. ft. of conditioned space: 698 sq. ft.

Built By (if different than applicant)

My Kabin
Del Bracht
13222 SE 30th Street, Suite A1
Bellevue, WA 98005

Panels Manufactured By

Company Name (members only): Premier Building Systems


Designed By (if different than applicant - SIPA will only recognize members)

Premier Building Systems
18504 Canyon Road East
Puyallup, WA 98375

Total sq. ft. of conditioned space: 698 sq. ft.

Describe the end use of the building: Detached Accessory Dwelling Unit

How did SIP construction help you get this job? The cold, wet winters in the Seattle area dictate that homes must be well-insulated and stand up to the elements. The energy efficiency and tight building envelope that the SIPs panels provide were key in securing this job.

SIP wall thickness and core material: 4.5”, expanded polystyrene

SIP roof thickness and core material: 8.25”, expanded polystyrene

Describe the benefits of using SIPs on this project. Did SIPs help save time, labor, construction costs, or energy? Using SIPs on this project meant has provided ongoing energy savings for the Client.


Describe any innovative design elements or structural engineering involved: The pier and beam foundation that was used provides a more flexible, greener alternative to a slab foundation, with less concrete, and less disturbance to the existing yard and plants.

Please list any certifications the project received, such as ENERGY STAR, LEED, National Green Building Standard, WELL, Passive House, Green Globes or local green building programs. Only list certifications that are completed: Project meets Built Green 4 star standards, but has not been certified

Blower door test results (ACH50) (required only for High Performance Category and recommended for residential projects): 4.56 ACH50

Energy use intensity in kBtu/ft2 (required only for High Performance Category and recommended for commercial projects): n/a

Describe the HVAC system used on the project: Mini-Split Heat Pump System

Describe any other energy-saving materials used in the building envelope other than SIPs. List U-values of windows used and the U or R-value of any insulation materials. (judged only for High Performance Category) Windows U=0.28

Please list any energy-efficient products or design features, such as lighting, hot water heating, appliances, passive solar (judged only for High Performance Category): Energy Star LED lighting and Energy Star appliances.

Were any solar panels installed on the project? If so, indicate the size of the system (judged only for High Performance Category): n/a

Please list any sustainable materials or design features not listed above, such as recycled materials, low-VOC finishes, landscaping, etc. (judged only for High Performance Category): Low VOC finishes:
DuraLux LVT flooring - GreenGuard Gold Cabinetry - Canyon Creek Cabinetry
Paint - Sherwin Williams ProMar 400 Interior (zero VOC), SuperPaint Exterior (low VOC)


Click on a photo to enlarge.

Builder Information

My Kabin
Del Bracht13222 SE 30th Street, Suite A1
Bellevue, WA 98005

Phone: 206-853-7855

Panels manufactured by Premier Building Systems.

SIPA Website Sponsors